Kaypro PC Expansion Backplane Board Vintage IBM PC Compatible Untested

1984 Quadram Quadboard IBM Compatible

Tecmar Captain -8-bit ISA Multifunction Card w Real Time Clock -384k RAM -Tested

Vintage Tecmar 1st Mate ISA I/O Card - Untested 8 bit ISA memory clock pc xt

AST Vintage Memory Expansion Card AST70001003 for Computer Circuit Board

Vintage Tecmar Captain Computer Memory Board, Part Number 84-21 IBM PC XT Ram

Vintage Tecmar Captain Computer Memory Board, Part Number 20044 Rev F

IBM PC XT Vintage full length ISA 1984 Tall Tree Systems - RAM/MEMORY EXPANSION